function GetRTime(dating, nodeId) {
	var EndTime = new Date(dating);
	var NowTime = new Date();
	var t = EndTime.getTime() - NowTime.getTime();
	if(dating != '0' && t > 0) {
		setInterval(function() {
			var EndTime = new Date(dating);
			var NowTime = new Date();
			var t = EndTime.getTime() - NowTime.getTime();
			var d = 0;
			var h = 0;
			var m = 0;
			var s = 0;
			if(t >= 0) {
				d = Math.floor(t / 1000 / 60 / 60 / 24);
				h = Math.floor(t / 1000 / 60 / 60 % 24);
				m = Math.floor(t / 1000 / 60 % 60);
				s = Math.floor(t / 1000 % 60);
			}
			document.getElementById(nodeId).innerHTML = d + '天' + h + '时' + m + '分' + s + '秒';
		}, 1000);
	} else {
		document.getElementById(nodeId).innerHTML = '';
	}
}